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860190-32-5

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860190-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 860190-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,0,1,9 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 860190-32:
(8*8)+(7*6)+(6*0)+(5*1)+(4*9)+(3*0)+(2*3)+(1*2)=155
155 % 10 = 5
So 860190-32-5 is a valid CAS Registry Number.

860190-32-5Downstream Products

860190-32-5Relevant articles and documents

Eco-efficient synthesis of 2-quinaldic acids from furfural

Li, Minghao,Dong, Xiaohan,Zhang, Na,Jér?me, Fran?ois,Gu, Yanlong

supporting information, p. 4650 - 4655 (2019/09/09)

Quinaldic acids are important fine chemicals. Nowadays, industrial methods to synthesize quinaldic acids rely heavily on a three-step process established based on the Reissert reaction, which involves however the use of highly toxic potassium cyanide. In this paper, a novel cyclization of aniline with ethyl 4,4-diethoxycrotonate was realized, which offered ethyl quinaldate in good yield. Based on this reaction, an eco-efficient method to prepare quinaldic acids was developed, which involves the following three steps: (i) synthesis of ethyl 4,4-diethoxycrotonate through photooxidation of furfural and a consecutive ring-opening alcoholysis; (ii) cyclization of ethyl 4,4-diethoxycrotonate with aniline, and (iii) hydrolysis of the generated ethyl quinaldate. This new method not only avoids the use of toxic potassium cyanide but also meets many salient features of green chemistry, such as the use of bio-based feedstocks, environmentally benign metal-free conditions and good reaction yields.

Radical cation salt induced Povarov reaction between iminoethyl glyoxylate and N-vinylamides: Synthesis of quinoline-2-carboxylate derivatives

Jia, Xiaodong,Qing, Chang,Huo, Congde,Peng, Fangfang,Wang, Xicun

supporting information, p. 7140 - 7142 (2013/01/15)

A domino process between iminoethyl glyoxylate and N-vinylamides was achieved under the catalytic radical cation salt induced conditions, producing a series of quinoline-2-carboxylates. N-Vinylamides were involved as an acetylene equivalent. A possible mechanism was proposed to rationalize the formation of the products.

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